Saudi-led warplanes bombarded Yemeni rebels at dawn Sunday, witnesses said, in a new blow to a U.N.-proposed truce in the impoverished country where millions are threatened with famine. Airstrikes hit the Shiite Houthi stronghold of Saada in Yemen's north, as well as other rebel positions south of the capital Sanaa and in the southern province of Lahj, residents said. There were no immediate reports of any casualties.
